78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
import time
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import random
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from playwright.sync_api import Page
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class HumanLikeTyper:
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"""模拟人类输入文本的工具类"""
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def __init__(self, page: Page):
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self.page = page
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# 定义人类输入速度范围（字符/秒）
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self.min_typing_speed = 3
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self.max_typing_speed = 8
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# 定义思考停顿概率和时长范围
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self.pause_probability = 0.1 # 10%的概率停顿
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self.min_pause_duration = 0.5
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self.max_pause_duration = 2.0
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# 定义错误修正概率
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self.correction_probability = 0.08 # 8%的概率出现错误并修正
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def _calculate_typing_delay(self):
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"""计算每个字符之间的延迟时间（秒）"""
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speed = random.uniform(self.min_typing_speed, self.max_typing_speed)
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return 1 / speed + random.uniform(-0.05, 0.1) # 添加随机波动
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def _maybe_pause(self):
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"""随机停顿，模拟思考过程"""
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if random.random() < self.pause_probability:
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pause_time = random.uniform(self.min_pause_duration, self.max_pause_duration)
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time.sleep(pause_time)
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def _maybe_correct(self, current_text: str, target_char: str):
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"""随机模拟输入错误并修正"""
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if random.random() < self.correction_probability and current_text:
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# 删除最后一个字符
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self.page.keyboard.press("Backspace")
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time.sleep(random.uniform(0.1, 0.3))
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# 随机输入一个错误字符
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wrong_char = random.choice("abcdefghijklmnopqrstuvwxyz ")
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self.page.keyboard.type(wrong_char, delay=random.uniform(50, 150))
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time.sleep(random.uniform(0.1, 0.3))
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# 删除错误字符
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self.page.keyboard.press("Backspace")
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time.sleep(random.uniform(0.1, 0.3))
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return True
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return False
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def type_text(self, selector: str, text: str):
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"""在指定元素中以类人方式输入文本"""
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# 聚焦到输入框
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self.page.wait_for_selector(selector)
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self.page.click(selector)
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time.sleep(random.uniform(0.2, 0.5)) # 点击后停顿一下
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current_input = ""
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for char in text:
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# 随机停顿
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self._maybe_pause()
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# 随机错误修正
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if current_input: # 至少有一个字符才能修正
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self._maybe_correct(current_input, char)
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# 计算延迟并输入字符
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delay = self._calculate_typing_delay()
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self.page.keyboard.type(char, delay=delay * 1000) # Playwright的delay单位是毫秒
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current_input += char
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time.sleep(random.uniform(0.01, 0.05)) # 微小停顿
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# 输入完成后可能再停顿一下
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if random.random() < 0.3:
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time.sleep(random.uniform(0.3, 1.0))
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